ORA-2 = Open Rocrail Accessory decoder for use with many systems including ORD-1
ORA-2 is a multi purpose accessory decoder, code compatible with ORA-1 and Opendecoder. It is designed to be small, but yet built with through-hole components.
All documentation: https://github.com/rocrail/GCA/tree/master/ora-2
Last version is 1.2
Schematics and PCB artwork was created with KiCad, an Open Source (GPL) PCB Suite.
|JP1||Save state, see OpenDecoder for description|
|SW_PUSH||used to set decoder in learning mode|
|When JP2+JP3 is bridged|
|→ K5 and/or K6||combined power+data (track power)|
|When JP2+JP3 is not bridged|
|→ K5||data (either track power or low voltage DCC data)|
|→ K6||power (12-18VAC)|